package com.xzw.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class AppjdbcSelect {
    public static void main(String[] args)throws Exception {
        //加载驱动类
        Class.forName("com.mysql.jdbc.Driver");
        //获取连接
        String url = "jdbc:mysql://localhost:3306/xzw?useSSL=false";
        String username = "root";
        String password = "root";
        Connection connection = DriverManager.getConnection(url, username, password);

        //3.创建陈述句对象
        Statement statement = connection.createStatement();
        //4.执行查询
        String sql = "select id,username from `user` order by id";
        ResultSet set = statement.executeQuery(sql);
        //5.获取数据
        while(set.next()) {
            int anInt = set.getInt(1);
            String string = set.getString(2);
            System.out.println(anInt +" " + string + " ");
        }
    }
}
